Routing Table Report 00:00 GMT Sun 12 Feb, 2012
NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/rviews/
Analysis Summary
----------------
BGP routing table entries examined: 401255
Prefixes after maximum aggregation: 171073
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 192552
Total ASes present in the Internet Routing Table: 40125
Prefixes per ASN: 10.00
Origin-only ASes present in the Internet Routing Table: 32738
Origin ASes announcing only one prefix: 15555
Transit ASes present in the Internet Routing Table: 5427
Transit-only ASes present in the Internet Routing Table: 145
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 28
Max AS path prepend of ASN (56677) 25
Prefixes from unregistered ASNs in the Routing Table: 5080
Unregistered ASNs in the Routing Table: 150
Number of 32-bit ASNs allocated by the RIRs: 2272
Number of 32-bit ASNs visible in the Routing Table: 1960
Prefixes from 32-bit ASNs in the Routing Table: 4690
Special use prefixes present in the Routing Table: 88
Prefixes being announced from unallocated address space: 143
Number of addresses announced to Internet: 2514381537
Equivalent to 149 /8s, 222 /16s and 106 /24s
Percentage of available address space announced: 67.8
Percentage of allocated address space announced: 67.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.0
Total number of prefixes smaller than registry allocations: 168805
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96351
Total APNIC prefixes after maximum aggregation: 30682
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 92758
Unique aggregates announced from the APNIC address blocks: 39231
APNIC Region origin ASes present in the Internet Routing Table: 4629
APNIC Prefixes per ASN: 20.04
APNIC Region origin ASes announcing only one prefix: 1251
APNIC Region transit ASes present in the Internet Routing Table: 747
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 144
Number of APNIC addresses announced to Internet: 635866368
Equivalent to 37 /8s, 230 /16s and 141 /24s
Percentage of available APNIC address space announced: 80.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 151067
Total ARIN prefixes after maximum aggregation: 77526
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 122774
Unique aggregates announced from the ARIN address blocks: 49432
ARIN Region origin ASes present in the Internet Routing Table: 14934
ARIN Prefixes per ASN: 8.22
ARIN Region origin ASes announcing only one prefix: 5698
ARIN Region transit ASes present in the Internet Routing Table: 1560
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 15
Number of ARIN addresses announced to Internet: 804526856
Equivalent to 47 /8s, 244 /16s and 27 /24s
Percentage of available ARIN address space announced: 63.9
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 100888
Total RIPE prefixes after maximum aggregation: 52587
RIPE Deaggregation factor: 1.92
Prefixes being announced from the RIPE address blocks: 91870
Unique aggregates announced from the RIPE address blocks: 56128
RIPE Region origin ASes present in the Internet Routing Table: 16331
RIPE Prefixes per ASN: 5.63
RIPE Region origin ASes announcing only one prefix: 8006
RIPE Region transit ASes present in the Internet Routing Table: 2614
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1355
Number of RIPE addresses announced to Internet: 500851084
Equivalent to 29 /8s, 218 /16s and 97 /24s
Percentage of available RIPE address space announced: 80.7
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 38985
Total LACNIC prefixes after maximum aggregation: 8084
LACNIC Deaggregation factor: 4.82
Prefixes being announced from the LACNIC address blocks: 38584
Unique aggregates announced from the LACNIC address blocks: 19508
LACNIC Region origin ASes present in the Internet Routing Table: 1570
LACNIC Prefixes per ASN: 24.58
LACNIC Region origin ASes announcing only one prefix: 442
LACNIC Region transit ASes present in the Internet Routing Table: 298
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 442
Number of LACNIC addresses announced to Internet: 96549640
Equivalent to 5 /8s, 193 /16s and 59 /24s
Percentage of available LACNIC address space announced: 63.9
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 9039
Total AfriNIC prefixes after maximum aggregation: 2115
AfriNIC Deaggregation factor: 4.27
Prefixes being announced from the AfriNIC address blocks: 7047
Unique aggregates announced from the AfriNIC address blocks: 2155
AfriNIC Region origin ASes present in the Internet Routing Table: 511
AfriNIC Prefixes per ASN: 13.79
AfriNIC Region origin ASes announcing only one prefix: 158
AfriNIC Region transit ASes present in the Internet Routing Table: 121
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30897152
Equivalent to 1 /8s, 215 /16s and 116 /24s
Percentage of available AfriNIC address space announced: 46.0
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1905 11096 665 Korea Telecom (KIX)
17974 1731 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1640 303 86 TPG Internet Pty Ltd
4755 1534 385 158 Videsh Sanchar Nigam Ltd. Aut
7552 1393 1064 7 Vietel Corporation
9829 1172 989 28 BSNL National Internet Backbo
9583 1124 83 482 Sify Limited
24560 1014 385 167 Bharti Airtel Ltd.
4808 979 1986 293 CNCGROUP IP network: China169
18101 950 130 155 Reliance Infocom Ltd Internet
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3442 3807 202 bellsouth.net, inc.
7029 3390 1014 159 Windstream Communications Inc
18566 2092 382 177 Covad Communications
1785 1869 680 125 AppliedTheory Corporation
20115 1625 1550 630 Charter Communications
4323 1607 1062 383 Time Warner Telecom
22773 1512 2910 109 Cox Communications, Inc.
19262 1385 4687 396 Verizon Global Networks
30036 1385 244 750 Mediacom Communications Corp
7018 1311 7012 852 AT&T WorldNet Services
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1674 480 15 Corbina telecom
2118 1385 97 13 EUnet/RELCOM Autonomous Syste
15557 1095 2161 63 LDCOM NETWORKS
286 1055 806 198 KPNQwest Backbone AS
34984 649 188 171 Tellcom Iletisim Hizmetleri
6830 642 1926 411 UPC Distribution Services
20940 602 195 472 Akamai Technologies European
12479 584 642 53 Uni2 Autonomous System
8551 577 360 81 Bezeq International
9116 541 326 32 Goldenlines main autonomous s
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 1751 324 162 TVCABLE BOGOTA
28573 1648 1085 75 Types of queries are: POCs, o
8151 1510 3003 341 Uninet S.A. de C.V.
7303 1263 758 182 Telecom Argentina Stet-France
26615 849 672 33 Types of queries are: POCs, o
27947 656 67 105 Telconet S.A
11172 631 91 74 Alestra
22047 581 322 17 Types of queries are: POCs, o
3816 552 238 92 COLOMBIA TELECOMUNICACIONES S
7738 550 1050 31 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1235 958 13 TEDATA
24863 829 155 43 LINKdotNET AS number
6713 487 649 18 Itissalat Al-MAGHRIB
3741 278 939 229 The Internet Solution
33776 236 13 14 Starcomms Nigeria Limited
15706 222 32 6 Sudatel Internet Exchange Aut
12258 197 28 62 YEBO-AS
24835 194 80 8 RAYA Telecom - Egypt
29571 189 17 11 Ci Telecom Autonomous system
16637 160 664 85 Johnnic e-Ventures
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3442 3807 202 bellsouth.net, inc.
7029 3390 1014 159 Windstream Communications Inc
18566 2092 382 177 Covad Communications
4766 1905 11096 665 Korea Telecom (KIX)
1785 1869 680 125 AppliedTheory Corporation
10620 1751 324 162 TVCABLE BOGOTA
17974 1731 503 36 PT TELEKOMUNIKASI INDONESIA
8402 1674 480 15 Corbina telecom
28573 1648 1085 75 Types of queries are: POCs, o
7545 1640 303 86 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7029 3390 3231 Windstream Communications Inc
18566 2092 1915 Covad Communications
1785 1869 1744 AppliedTheory Corporation
17974 1731 1695 PT TELEKOMUNIKASI INDONESIA
8402 1674 1659 Corbina telecom
10620 1751 1589 TVCABLE BOGOTA
28573 1648 1573 Types of queries are: POCs, o
7545 1640 1554 TPG Internet Pty Ltd
22773 1512 1403 Cox Communications, Inc.
7552 1393 1386 Vietel Corporation
Complete listing at http://thyme.rand.apnic.net/rviews/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.29.245.1/32 286 KPNQwest Backbone AS
10.29.245.2/32 286 KPNQwest Backbone AS
10.29.245.15/32 286 KPNQwest Backbone AS
10.29.245.19/32 286 KPNQwest Backbone AS
10.29.245.20/32 286 KPNQwest Backbone AS
10.29.245.21/32 286 KPNQwest Backbone AS
10.29.245.22/32 286 KPNQwest Backbone AS
10.29.245.25/32 286 KPNQwest Backbone AS
10.29.245.26/32 286 KPNQwest Backbone AS
10.29.245.27/32 286 KPNQwest Backbone AS
Complete listing at http://thyme.rand.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
37.98.200.0/21 56687 Nimad Rah Khoozestan PLC
37.98.208.0/20 8374 Polkomtel S.A.
Complete listing at http://thyme.rand.apnic.net/rviews/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:12 /10:27 /11:80 /12:231
/13:458 /14:821 /15:1501 /16:12272 /17:6467 /18:10650
/19:21036 /20:29497 /21:29622 /22:40243 /23:37471 /24:209219
/25:65 /26:83 /27:106 /28:268 /29:105 /30:532
/31:19 /32:450
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3046 3390 Windstream Communications Inc
6389 2111 3442 bellsouth.net, inc.
18566 2041 2092 Covad Communications
8402 1653 1674 Corbina telecom
10620 1645 1751 TVCABLE BOGOTA
30036 1343 1385 Mediacom Communications Corp
11492 1118 1155 Cable One
1785 1065 1869 AppliedTheory Corporation
15557 1045 1095 LDCOM NETWORKS
8452 1042 1235 TEDATA
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:505 2:657 4:18 5:1 6:3 8:386
12:1960 13:1 14:592 15:11 16:3 17:7
20:9 23:131 24:1733 27:1198 31:950 32:124
33:2 34:2 36:9 37:178 38:780 39:4
40:115 41:3196 42:94 43:1 44:3 46:1286
47:3 49:325 50:518 52:13 54:2 55:11
56:3 57:48 58:966 59:492 60:345 61:1206
62:960 63:2024 64:4156 65:2286 66:4450 67:2061
68:1356 69:3269 70:972 71:412 72:1823 73:1
74:2710 75:476 76:334 77:977 78:946 79:516
80:1233 81:889 82:583 83:532 84:583 85:1158
86:750 87:929 88:350 89:1561 90:271 91:4492
92:542 93:1333 94:1363 95:1087 96:421 97:310
98:838 99:38 100:4 101:266 103:793 106:65
107:152 108:155 109:1493 110:717 111:849 112:437
113:545 114:615 115:766 116:899 117:739 118:907
119:1256 120:364 121:707 122:1612 123:1076 124:1385
125:1367 128:539 129:193 130:217 131:591 132:164
133:21 134:233 135:60 136:210 137:153 138:286
139:157 140:486 141:262 142:392 143:413 144:519
145:70 146:486 147:250 148:727 149:281 150:165
151:197 152:447 153:170 154:7 155:418 156:211
157:369 158:156 159:516 160:321 161:244 162:341
163:187 164:529 165:411 166:556 167:455 168:762
169:148 170:834 171:112 172:2 173:1757 174:617
175:438 176:515 177:483 178:1253 180:1206 181:65
182:731 183:278 184:425 185:1 186:2001 187:842
188:1035 189:1169 190:5497 192:5996 193:5545 194:4358
195:3452 196:1306 197:165 198:3628 199:4386 200:5724
201:1738 202:8489 203:8683 204:4360 205:2446 206:2758
207:2808 208:4090 209:3595 210:2775 211:1489 212:2093
213:1861 214:857 215:96 216:5039 217:1481 218:551
219:341 220:1259 221:558 222:348 223:311
End of report